{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "806873848",
    "entityType": "User",
    "nonce": "0xa6d969b7c8233ada7fd54c22c4e1ac2b8ac881d489e21e5e31acb648b2a47956",
    "signature": "0xd5b235210abf1296fa4e00c00b187ff0f99b8e356e06a9e216f8e290608fb8890eb58b73ae1cb4ad42538ac38aa990bfc651febcdb8d9b8b6218f8260bbd34201c",
    "signer": "0xad1E2A70fa1227797344FD6df31327a26552461a",
    "userId": "153162"
  }
}