{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "862349427",
    "entityType": "User",
    "nonce": "0xeff4e2210e5c4bc77016cd932993d9e4625dd71cbbe7a324cf8ab6f7b7765c74",
    "signature": "0x1717c5785c72aec0a41a20130390dcd2b1493a85f09e651e3e2e6a16661d69aa7da7a7d0a95b005997cab1b5e629eb2514d6e599295cd051c494fc6a8835b0381c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}