{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x00089fda3f94107e6ca6ab074b5411b694fb0c402d7c2d45315580c4b92bd980",
    "signature": "0xfd551c7b1f026dd632c6f0fdaf239ef1527c563f719ce543a983be3f0a95ec7c5101ae406e9ff2cfc59bc99c7168997f21afa8232776ed77eb6e6c3ee6bd51901c",
    "signer": "0x2C2F2c75318E154dAf674a078356D1412643De7D",
    "userId": "618351182"
  }
}