{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67863854",
    "entityType": "User",
    "nonce": "0xba1f7e6f0df936da3e2ab5d3eb180126b0ad8ebcc9c164a7231bf344355e0984",
    "signature": "0x617bcf58b3bd797cd8a284e556d5608f5730ff7163a990a6452c95349c1b0a7b2512b67fec4cebb87291e616e39f205a8121cd5dc5e278a9cdb6e40aaee2b1671c",
    "signer": "0x94d1769762bc3a1e7DCd3e8a31C89Ff199833Da6",
    "userId": "715573876"
  }
}