{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147907",
    "entityType": "User",
    "nonce": "0xbd9ad75cda4830d493fe7700ca7dc60737a0be566c93cc1c5c1a21a238845c2b",
    "signature": "0x00c6f815cc40c7e0b3a20175fe6147ca393cebb77066b072bb616e5620997a2a2fcd5a9a8a612c527d01a28e22ce7df9ead1efe66ead5604bec77d8ad346c6111c",
    "signer": "0xC56E1ccbA93c1E645e5F27Bf8A5ca13eB7A5eEbe",
    "userId": "335878078"
  }
}