{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "828368024",
    "entityType": "User",
    "nonce": "0xb2b3a4b154ad34d345edd233f2e2d1026686aada51d059fd71016a0576243633",
    "signature": "0x8be0b914db992e1464b501a5dbfc957c20c7e9c1f8f7adad7426919887aa8184278ee50aba95b336a7e6e2c0fe24c73dff58d25be5d49e7a6006f3b0fe5963451c",
    "signer": "0x4D8EDeF47b57f98c89BDFf851267B0327BE4cD05",
    "userId": "5307724"
  }
}