{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "372928",
    "entityType": "User",
    "nonce": "0xc108207e7243aadabd74e056a9724b1ec01fcc5f0cdcaa193b15f1505cf2917f",
    "signature": "0x34a0163e63840ac69147b3ef811c276a9d3c4f5c391c7b9d16fa233fc7aa28ae3e441478b1458fa2e7b513beca4adb972933f3ba31eed57fe24bd9250eca624b1b",
    "signer": "0x96e9FcB3bcf2B4B9B7347B5ba96A6a8813527DE8",
    "userId": "319177310"
  }
}