{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954169504",
    "entityType": "User",
    "nonce": "0xb236d61e2ef9ef307f1182dec0d89a18c43af54fe0acdd8edf53daaec5d58ee1",
    "signature": "0x602413bfd912c2bff5cb0ad491f5afd8094b3e4048b7d6021d841b9f3e5bab133ccc2233158e8c9d395bd10026ca3da33225ed095be5c2e5f67d40a56e6d0b891c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}