{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "756929",
    "entityType": "User",
    "nonce": "0x42ceaef98092513da679c5659129f9f5946a66ce4c3d2b368f9a63ae6395b31c",
    "signature": "0x36de4bc94257a27b973d5a74e2a35d35c35eed247079d16fd66c144e17e8a1da20f5435fc1189895d2cfa4c51d598390fb09854e54ff38e4a93d9d9d62ee127b1c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}