{
  "manageEntity": {
    "action": "Update",
    "entityId": "983667626",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3d56f2e4a03e5000e9bb4bf78a1b603ee6b26d7a93fad5c6a6be674a3641d6a8",
    "signature": "0x32d11a9dc768ddf416c8c3923138499054e99c4c5e863cfd8043b00a0c144f492c659b7651854d031d774f0c4c5720016b77654123eb5961607c8e3d74e07d8c1b",
    "signer": "0x6174ebD46180Fa016E15a9fF08D1780AC9484f3f",
    "userId": "983667626"
  }
}