{
  "manageEntity": {
    "action": "Update",
    "entityId": "222136320",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0a642f7036c94a969f12e97b09c9b7d66294e766f5da2ffb3ccfb9bb8a9f5a74",
    "signature": "0x805189634970d6cc9dfe8cd83dd9aa41f451d4a1fa94fe392ec163138cbdfc126e22b43833a0ac33c46081e8f21049c49fb98439552c5343cb96e0360e5f57001b",
    "signer": "0x01DAe92E69b246d1A3A6F01d69Fb70B04D2669FB",
    "userId": "222136320"
  }
}