{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69181",
    "entityType": "User",
    "nonce": "0xda748e628a0f1092a5ec2157e0a1ce1b73acf3d427f0712eb255746bad5f7b5b",
    "signature": "0x1dbc7cf63ea8be0ecdbb9fb46c311bac357c8f2b0ab0eebc95ab0873615f3c892a32fa0b757877bf536c1b97f665ae4d2bd32a9bf16e4d2909b7555ae1cfba6b1b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}