{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1d30185a1033b0922c54a4a3bdd64ce651905d936e0d7bf8d7be17a8c20c4f98",
    "signature": "0xb0bd8a755952d1f09cc2fa48006a99892b3bd3da67f7753cb13c547e2853cdd107eb240010b8dacc4211cb22f1cec01fd3e3e868285f5da259cd5330b14523e91b",
    "signer": "0xdEDe0DE467D1dC3649612b93Ac4F7ac2538f97fD",
    "userId": "974097067"
  }
}