{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17735",
    "entityType": "User",
    "nonce": "0x7959cf72025c0caadcb82a31af50615dfc8b245770ab53d820684f9217157dea",
    "signature": "0x264aae8a57bc9de8ca07a2e984797d9b97373319fb6d5eeb67cf540ff71977440b6576a70b37c0cfa9b5270f07b2589e5de0f727efd7329f70d6cb1bf5929f581c",
    "signer": "0x98591a180A20DF036EB2C9D2c24B449E65939Df5",
    "userId": "338604526"
  }
}