{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "409657",
    "entityType": "User",
    "nonce": "0x6ec9ed71990a3852aa3ae791f85e8e2f72bfd7bee573528d273cd5f3792ed97d",
    "signature": "0x6aafc9d52b1e5172624adfaf15f2b8ac3d0824615b3b74b702b2668abfe3d0a25c21f72e5d4d2ec66bc6f923079cb4c7b54d3f2c0faf917628a1480fb37c3f1a1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}