{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "224383",
    "entityType": "User",
    "nonce": "0xcbe926f9c7f1d10c6d8b319c290bc090031535f1a2a8347c8237e77500d099b5",
    "signature": "0x635e6de4bab7754dcb61d6ba808856ea60993410b782e6b2ab0745e026a1c98954d51bd522f1ed35623b289654bc5a35b59c8f2a06a4c83ceeeb7efe56169fd61c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}