{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "75085",
    "entityType": "User",
    "nonce": "0xa561591ebd2527d1250dcd83128e6b876c6e810a0f33b8b71cac8217bb48d6bf",
    "signature": "0x8d722a0fc0235e59e1d91cff03786308ed4ac267e9c82daf4d0cc8e5a92f598740c025930275bcab2e748618831be005e8315066acdbbdfab80ee2bd4dd27c5a1c",
    "signer": "0x1788E4C39d3326e598F16767C69826869594E359",
    "userId": "116504833"
  }
}