{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8709",
    "entityType": "User",
    "nonce": "0x325b4035d16d080bc05dfbd5b28df81b9a0cb71cd3a06257d4072c07767273d1",
    "signature": "0xa286b3c5556f1992c36a8d120672541ee62df81d8ae745c1983ace871f6c38081ca6326d496837de3fd2dfd88a2a5be5111ef411ad0985874b310d35657891c91b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}