{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xca12c6a0b962adbc91614ea140048bc8e48443644ff5370d372e8ec9f62d73be",
    "signature": "0x645e406d5f30b99523a08d6769d21cb2efe21c5c0b6c654ba92a73c7a66aa43f2017c3aab14b768844043f9ea8b7403398ce1287b74f35d6ef44965fede6add81c",
    "signer": "0x90Fd90dD6089EEAe473E5d50F861D546521459a7",
    "userId": "438760710"
  }
}