{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "159054652",
    "entityType": "User",
    "nonce": "0x93fbb3866874051f0ac2a1164aee32df8800f13eb79727146084c7b9fbcc83c8",
    "signature": "0xb7c80b29897cd35a020b2d89da754150017941d4926e5a802ecf46a9f748124b2476946bcc5f0b97dc8e000f711f5eae4f10c85154a89a851874f49ca569360c1c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}