{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "363614",
    "entityType": "User",
    "nonce": "0xdff90df0ced2f90738c3168da0f2b706dc9fee5894c3a38d16331c828fe7c9af",
    "signature": "0x3d7e71f00af3b529c7e6bf8cb1bdc44f716d474fc658db07410ed06eb9dd6db53af0f643f598a4e9372f012864d72ce5508fa7fe7ca51954f993fd434dbe36471c",
    "signer": "0x40E8E224E8F8a9f835e4dc8851Da72DCEd75986F",
    "userId": "504092010"
  }
}