{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfa62d998bdbba09fc9803b749fc539014bf8cbfde574a05be2ae310105986c48",
    "signature": "0x2b9b703ddb84a133d3c8f5fa60ba5a52b9d8be00e2a4d9cdec8ae7eca0edefb93115e668df7389903279341a22305af804dd9227978f73e19cba862c193612de1b",
    "signer": "0xCbeD07e86835F78Aaa98F4139515996B2714e0f1",
    "userId": "973874643"
  }
}