{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2920",
    "entityType": "User",
    "nonce": "0x065ab4c156435f6bc1278e322d500f5a79c49891afe87c702648eacc08d031f0",
    "signature": "0x35fc308b4dd3a842fbcf16944ea9082029514d92405dc44004ef70ba213ba5692ce023f5530bc42eaa0b9a659035ea0b8661962585a9d7ec0a1ea9e7471653ad1c",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}