{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5310",
    "entityType": "User",
    "nonce": "0xc767f1fd7672174a61b2de39ff7a02127a18958f661fb2bb7663125576227b0f",
    "signature": "0xfa39c251cc56501b151092213cf0837734cfec2eb885716ec175a8dbbb1c329b2ef60f78af594923bb8b7ee5cfb9cbeea92701b93c45a77e88cbcc78e61332d21b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}