{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "580576096",
    "entityType": "User",
    "nonce": "0xe72f3335051051b8bf67b69f00c33137e9a583dd46e500287ef59affc5994b05",
    "signature": "0xea95b9badc2c9c63feed9cb210af469c44771c71430dfd6e0945361a8075a2820e4aaa097ed11e0e8125d198c6ab37e20deabb8d26e60a86db322dbd30dfe20b1b",
    "signer": "0x27eB4b469aE053b72c26B3e9c68a655390Fe24fB",
    "userId": "42216"
  }
}