{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x17601375d7b93739454bd40308d07c7d5826fc476618a9d6ed6b754edbb45596",
    "signature": "0x749d87cd66c45498306f8b9256fb9e07f68b3b6f6b8a0c86d0064cc44b89b88a44cd33004f85cfdf2a8b7f1ad6af6e38d392833e2748e1fdb56d50211ae55f5b1b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}