{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "161353174",
    "entityType": "User",
    "nonce": "0xf3f78a679b119f2da5c0d546cb5a351e16e6937e981fcf220f0d78b01098d320",
    "signature": "0x7726c6b92ccb8b7b0704b862e1fe426e8a44eb82df8fba4c87b61c1d23e4ba4a0ad75fa6a38a9b26ff89a04b690a72711a0f7590d66b5234a3df36997d078ac51b",
    "signer": "0x4086Dda2D91F77cd46De0859a4de37F888508faA",
    "userId": "568518925"
  }
}