{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "135023",
    "entityType": "User",
    "nonce": "0xe48333388e63900fda17135bad3933bd8d74dab3448736f72f31464106a98ac1",
    "signature": "0x2ef2df28ff7bcf65b4f65a032a0088ada0bf9a05df4d992548513bcd0cd98af37041c5d64faa4af281038adef4bda9440185dd1b8ff25a54ae449d638a5a983d1b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}