{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "232991041",
    "entityType": "User",
    "nonce": "0xcb8c03e843d9d6f54b3b74bc38f7b1e4b9015ae0fddb4d409688f5d9eb4762fd",
    "signature": "0x4e0c44082d381b618158d70733b9439befeb6c772e49001f238c8c975c50d27f5c803974f824a6217e18e0ef65dafb49faa02cb63c2a64a42160c8e3f924cbc91b",
    "signer": "0x9c5e7F56Eaa8b6eBFA8F0e7231898e369d2e0b18",
    "userId": "767121958"
  }
}