{
  "manageEntity": {
    "action": "Update",
    "entityId": "386569100",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x68f42ee35fbca4d3bfbd362031557d33af947efbfd7b118dd9720e78c98adb87",
    "signature": "0xee96210e14a5a9bb90dae7caca0b21e83125e3b03de143ce6f4545573af91beb7cde7b15396835933f7d7efcdd07192b99d17c7a6063646607be029f9ba6f42a1b",
    "signer": "0xf92227D1CE8426bD2A05c637f3E5D3582E1CEEde",
    "userId": "386569100"
  }
}