{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "121346",
    "entityType": "User",
    "nonce": "0x253cce89ff83cb79d4852295b626dca1cc4d0ed9b730f32c80b5f164cf8c5c8f",
    "signature": "0xc12e9475f6dfcb04ecf2a596862f4c02ed794bda51615a6eaf6b4d09676f6e47031fac3af139c0a6cd962c0a10e0739593fcab5564301aab6971b67ec87999951c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}