{
  "manageEntity": {
    "action": "Update",
    "entityId": "808982757",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf37001cfdb7bf082cb6eb13459da01e6a97c3e489070841afa1a1ce7390eba43",
    "signature": "0x795e2b3a7fcad63bf5c4c42b9e67b1ed56bfe23d611e3bc12c5f657a3bf25f7c158a6294e3c3fe536bd9018b949b6f92ab238222834ffe09a5cc8e2e3dcc60f21c",
    "signer": "0xccf59c86d4eb0E2086aD416d97796fb5c3A6080f",
    "userId": "808982757"
  }
}