{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "765058419",
    "entityType": "User",
    "nonce": "0xd7969a5e3275b49125273363384cce77511c539fee945c9a6a9bc81f6ed6be9a",
    "signature": "0xb4532ae974fb59666e69ce2346ac7f2a551bed3ae4a6f9ee15b44795b3ea3a696819b09e3e1df0897b5c7a1bf2a2cafd18d82dc1326a4333a9431990400c5f2d1b",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}