{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "555239202",
    "entityType": "User",
    "nonce": "0xdf6f694e236ca626b5bf8a4a5603179a95767e6a4631e3bbef81f106f371385a",
    "signature": "0x5dba405bbe15c5e647d2f5bc8488913f58ff613169759c09570263441d805fe72f2b4173dd42314b8b1c6a6abe1aa1114d004884100602e3f4e00aef663b8da01b",
    "signer": "0x7425EdbFdF528603A88c658f4cf8B1396a8a77F5",
    "userId": "406225571"
  }
}