{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2033338",
    "entityType": "User",
    "nonce": "0x2bcc7cd2d549ebdd858afa33533f7b7fcd5000be1e81470e8507a6f4d5c1bc05",
    "signature": "0xec5d34e9e847efae68a5005bb43fce1702b84e154a113c77d52cd4bfbc84c3de63d4efdecb48ba8d83b82be1a2d4a70cd667c7ff4df48d0c15caabaddf4bbc581b",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}