Get the org's plan and seat usage

{  "plan": {    "id": "string",    "billableRoles": [      "string"    ],    "limits": {      "maxOrgs": 0,      "maxMembers": 0,      "maxPublishers": 0,      "auditDays": 0,      "storageGb": 0,      "webhooks": true,      "reviewWorkflow": true,      "analytics": true    }  },  "status": "trialing",  "seatsUsed": 0,  "seatsPurchased": 0,  "trialEndsAt": "2019-08-24T14:15:22Z"}

{  "defined": true,  "code": "UNAUTHORIZED",  "status": 401,  "message": "Authentication required or credentials invalid.",  "data": null}

{  "defined": true,  "code": "FORBIDDEN",  "status": 403,  "message": "You do not have permission to perform this action.",  "data": null}

{  "defined": true,  "code": "NOT_FOUND",  "status": 404,  "message": "The requested resource does not exist.",  "data": {    "resource": "string"  }}

{  "defined": true,  "code": "VALIDATION",  "status": 422,  "message": "The input failed domain validation.",  "data": {    "issues": [      {        "path": "string",        "message": "string"      }    ]  }}

{  "defined": true,  "code": "RATE_LIMITED",  "status": 429,  "message": "Rate limit exceeded; retry later.",  "data": {    "retryAfterSeconds": -9007199254740991  }}