{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "849558",
    "entityType": "User",
    "nonce": "0x24cdb63797327fde39cf34e606c23beef2f3b3727425ae04e6211f31b38241fb",
    "signature": "0x5778fa551ff5e012b80f2bc3bf887cdbde31ea73529fcf566e0529a9559680d2624673ce01d0b5f81a3200fb2a4f0b160b01bedd8ac867e053b1ef9db8c816b21c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}