{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1155",
    "entityType": "User",
    "nonce": "0x5064395fd288462b6d4d38abbb360fbf6d90e315b10fea9e6c71e63f87b22ce7",
    "signature": "0xc8bc3a654396f2c4b5a397c26b413115c9c255073bfdff0b4822e5bca55e541144978bf033ef96703eedef35eb27eb3907208d8ebe41b7f4adc39c3e90b23d641c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}