{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2204c05cee14b2c38072b5b01667de286de7369be60be41045b30e64d9df7de4",
    "signature": "0x2be0b4aadfd4a80fe8194ba4297f6c5104b1ce48384267675284ad505231331841a9d661ac08e916d9536ec873368ace65f880bec8ae8c8f54f447c0b8cee5fb1b",
    "signer": "0x0598FC797642238bFb08593189CB8B4b21aFF411",
    "userId": "179352401"
  }
}