{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5862",
    "entityType": "User",
    "nonce": "0x7f5fcd44446a4e10adce66be689dd8d75b53f499ceb8ba88603fdba31f2cff73",
    "signature": "0x45131fd41c3491a5e0bb4602aa8da601717021b748946f401730a53629e1987710a028dd148521c60f9af56f4bccecef0568edbdf1c6f3de9c77cd708de48d1d1b",
    "signer": "0xCf3E6F9F4BF41C4e355E01484A92aaf61B6dd8a3",
    "userId": "149919577"
  }
}