{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x788bc9979a9a3808128a5a7f331a0cf63824fcb250e0c558dc1669c4b5ef2901",
    "signature": "0x571d47c048ebf93369d313524ff816914ac433b804cb211da79e03470b00033e0cfec1665dc7fb38e70e5fa246e2da7399ae5c773b0815159e9fbaf3880f45b51c",
    "signer": "0xEF645db3505402bb23edEfe2C059199A7782Ba9D",
    "userId": "392916852"
  }
}