{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "611717",
    "entityType": "User",
    "nonce": "0xd4dbd293e94661ff41794eebef4985708fbc33d0a252b624cf0c8d87e7f6eda0",
    "signature": "0x48c280515b69effcade3e879b2b18f875f95c30525cee0e0a5d83a54b5f9d05d179d5ddc0920dd4e68e30e0178342f512c841c64eb1a34a643be21676d2a8f711b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}