{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35073",
    "entityType": "User",
    "nonce": "0xf385d2c3d21f0dc6ce1168392f250cc6f5dd04bbc9ade6b6a4ee9b7a67c43dd5",
    "signature": "0xe5879de9912f8a3a144e751c0b8369686e8c2a48b543982adc6aedb186cffbf845c343fc4d57935324c5d7ebbc10c003c8c51398618ca27fc3cb17d2818c75891c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}