{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "140587",
    "entityType": "User",
    "nonce": "0x573132d10a28314b7169a39bf065a9e0dc8443f24e178f79d8683235f18ca903",
    "signature": "0x2fe8900d04ace1defe18195cc4c02b8be196b5780d293e5c5739c2c2a4fb746a7f2394643d3acd1de3e2229cf8efae96ffefbc78d4f353eed884be6a3908c58d1c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}