{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "852967795",
    "entityType": "User",
    "nonce": "0xa9a963f6bb72f0bd29645b6deef236f822ff1735a44d310083135c2aca3a7aa0",
    "signature": "0x5eedd083c17445ddad224637d60e2b7c38d2d0a4873eb13e7418671dd2956d231085e5e6dbca822a3bba2d02bb8c23cfd3ccde6765e50e4150e99463ab48f24f1c",
    "signer": "0xb9C0D94bb4a7C755B8F2c22135D51F3630343604",
    "userId": "370673415"
  }
}