{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "251854",
    "entityType": "User",
    "nonce": "0xee4b9a4e262147eb5496b4a261f42ccf9d049cc0a6a27d4e4a4aed5bd1b39ba3",
    "signature": "0xeba0446c1d745fadd04eb03bb87068128fd94f80fbcc1c3b3cdb6c64a88c53e812f87a5d368aa1683044f5077a42539593f787e1d0be2b2b57e078e6b3fc9b911b",
    "signer": "0x1A0e34aBD5374BDd677c5de4D5D9718089cB05Eb",
    "userId": "644286186"
  }
}