{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "584616263",
    "entityType": "User",
    "nonce": "0xeada0db2fd6a340d2a9bb228d87ab45c20caff39b363ae2f4aad17d6efa051a5",
    "signature": "0x488c06ee138adb0239793dec9310342b3d5809c5ddd74384be6d83e7f149dc4f32fff81ca9095ac5983b55f7ac64446b28f449f0e2fb3c8602da555497994b951c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}