{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57610",
    "entityType": "User",
    "nonce": "0xb3a800759713d189e7bfaa0189b96b9f9662604b36caf805fffdf483a4e245d3",
    "signature": "0xfd4df1324dee971ba177f4097d3bfd7790f91f5f5b52fa62ef506ecb614f9b3b40995162f923a48d2d721df0770a12e49d5a29e43385bf6f1e06ba854660dc2b1b",
    "signer": "0x263F86e8E1124FF5c99f0d566e4075Deee580F62",
    "userId": "141023"
  }
}