{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "224383",
    "entityType": "User",
    "nonce": "0x2abb18776b2f38de12393ba9c8301a4fe8edbd4d715c4aae63db0d7337df8147",
    "signature": "0xbe8729825bf8ca8792d59ddb535efd1850f067255b9296794d9a598ff95c3e212ea65aa9a685d2f1c027827e3dd985eed610e76b9a4768c35dd47e705161dafe1c",
    "signer": "0x52Cb4b468190D878a90e6d678064532b2405fBC6",
    "userId": "184931764"
  }
}