{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "473821757",
    "entityType": "User",
    "nonce": "0x00d20313d5abca77f3bb7318e3272b2c49c1885aecfe2da216e2368c41a626ea",
    "signature": "0x71cb3a4710b4dd2ff7edecb6e4a2fdc066226f02756ceecfb7791d54fc63442b3333fe4df22499089591a7ccc514710f9afb1379e2be77fcc33e92f8426fc73a1c",
    "signer": "0x809Db232a6131f46553BA571FB17bFA2cc58aeE9",
    "userId": "351386054"
  }
}