{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5408",
    "entityType": "User",
    "nonce": "0xf20123b2a0d5407249596436afa10531178130f25354e0945459cf192b4d9ba1",
    "signature": "0x28c3bd99441d34152ce20c3c22277fcbd8c8fefe9c29ec42d4309487eff66aba2a681552671c899d6faabbcf4aae12122a8a4d414a6d68ad26274286be9a594f1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}