{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "66130",
    "entityType": "User",
    "nonce": "0x057b6514349933f8a4933991b65ff1e5f978db71b5ff7dd1909aaac7b75b4d90",
    "signature": "0x11c030398b12d49b27a53575757f452efd058b6d447f8e008ad3bfb1ac467f28425d178b35813103a198c80a03ff0ab6a8ce78ae0704c549c970902d04bae5f41b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}