{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "357273",
    "entityType": "User",
    "nonce": "0x28314495062b54e41679c4de651f381d94cc072abd4e43daa2b272d915164eaa",
    "signature": "0xa3df95ebdea8df160f8fc6b60925da1bff1f5c1366b25a0c9d659e73a482cfff090d3db41dd627f6e8f4661f6dcd67abad7920f49acf8ba98f90e15281b197f81c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}