{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "833426398",
    "entityType": "User",
    "nonce": "0xefffbccb87d518bd13b793c5362e9a93b52f09b113bdcc522b61d7749f3e17b7",
    "signature": "0xa97e1a42553485377f2d998b9a53332bd0e612da86fbf13be96261e20b73d3c1173113ccfe68e85b0da3debe253e16ffd62f5723eb5a342d7e994916f15917c31b",
    "signer": "0xb68FB6A5ae9015De46D9634e946c04517523Fa43",
    "userId": "134619804"
  }
}