{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1044470",
    "entityType": "User",
    "nonce": "0xdf7617b03182efe0551be94b06c3cabb7fbea11e06384a223857eb75093a712b",
    "signature": "0xb2a7d20f697fba7ea761cfdb2264ebf87cce25d837389a9ec15a29fb9f96c45a3ff7642fd1a6cf489ccf7e3c43b928cce13ee2853a3597e7378e635abfab22211c",
    "signer": "0x7cb443E1D882339Ce2Db89944ef44929E8E2F578",
    "userId": "343301"
  }
}