{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "135233092",
    "entityType": "User",
    "nonce": "0x0c19269c1785c65ff5d52bc6f23102a518e94d50ea3a006dbdeaa4720a7f40cd",
    "signature": "0x226631d9189a1c0a3956d3bb2f80b8d8b3a08d2be085c92ce0930f53e53c99b24f6af0bc084d2806dea566f591983f04dfb0f2f2ff3cc4887ffe51b731d349c91b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}