{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x13fc9bf362c72a89f4099907df98538ddded4f99eaa3769986abf080a7316f56",
    "signature": "0x7e11b590b76f1c8a63e8baae3ecfacb1b70faf68bb90281d18d9d1de3766b94c27762e5d98ec9f4805ee92db8e43113a3c940d8b75c82d04f5be0db590a573cc1c",
    "signer": "0xDB60d72286B9326724894d40ad560De42B155858",
    "userId": "844023207"
  }
}