{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54988",
    "entityType": "User",
    "nonce": "0xc457c99b74a4f11265a27f14796214305dd49ac26d2cc2e44ad926e5b274788c",
    "signature": "0x4a86d16f8b54023b740d4bd3664440b57ba399665885470d486e47d64b96a99a78ba94073087ac687aa31bd41808a471a81340da2402436ec7379be0f77cc3c61b",
    "signer": "0x0E08279c5784DeefdFd6D5d386A85B74072d15ac",
    "userId": "448138153"
  }
}