{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "810273153",
    "entityType": "User",
    "nonce": "0x52b47ccc5defe80a874dd1029c0c6c5113be2777285209cc5134bf63a1f8f98d",
    "signature": "0xf55af0d3727c80e67999d9e5ce1b4370c02ac35c9bb508298da4ba45eb6635136ee81d82e441ce966bf2107c77c232eaf805b992bc8fc22b3d2d105cd3abe1181c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}