{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "984204836",
    "entityType": "User",
    "nonce": "0x2fb06cca345c54642c3c7a879f6a84d2913cedaead6b027e68b70d22eb730863",
    "signature": "0x25cdccf636f66d308a754b68598c220a5a764d79484b70d88d0af8fe0601221c6e11819190e3b087b7897194ec15f613e1419b6df7bc7ca6074a7ce10f0d4f561b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}