{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44577",
    "entityType": "User",
    "nonce": "0x738c7a243c2bc4a3221dd0101d88c9d1bcb45227296ce5fef6271c88575c15f0",
    "signature": "0x72b61d24e8fe9d1d49fed41dd1ddcff756ca8125ec7ea5bf88ecfa73bfc10b840afbb75b4981d62af6227e75097eac972cfdba9ed99dff0b885e0f93c6a9ce031c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}