{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "704994",
    "entityType": "User",
    "nonce": "0xc22f42286aaefd1f49646593529bbe24dc8176f2d3f20b176d2ac14d0985214e",
    "signature": "0x5203bf579ba0532323c5c6bb4a10cf79c9e1f058f754858f44632bcc2fb1bc32664892dd39268246a5ae3ac3681e9a90bb517309da972abdeca49fbc45c42d9d1b",
    "signer": "0x4e636627B2C38e64C8D3aF5889767393B4fE6C1A",
    "userId": "181"
  }
}