{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "895362994",
    "entityType": "User",
    "nonce": "0xcedba40b634e9a1c51060465e548a6aab10d7258d1ab18c18d9a9adac034cecd",
    "signature": "0x007b73689469341cb3e0b2df36fac33cfb0515a38af4a08981a51118f2c97cfa7c1d2e89db092575c130559c9bcf4e5796179ee6d8d9ded07c82f4bdf69685941b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}