{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x15f45cf2966f61aa0f23dcc990ce3da84d30bc4d2662314627170a88e00b83b4",
    "signature": "0x817191c92f38611c3fcf8e0f80b8d4aaa26725c5d694cc075499a968eeb6326d7e363d6461a78c92643eea45a21185a7924f41a4542e705353356e17ce2169bd1c",
    "signer": "0x1472Fec023A32bFDB4d9d8dD1C920b2DD601638F",
    "userId": "452206810"
  }
}