{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8190",
    "entityType": "User",
    "nonce": "0x0c64e249b7c9afda74a7ecda087e112e8199c40fe06863af3d59e7ac9a9f41d7",
    "signature": "0xb28fe4d9379025a83c2fdd9acc1c17ec7ea594ef2df78313151915dde174f9fd23df85f4e7a987c04333cf9c36c5bfa699222b231e75a2e0e159c0378a0d683a1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}