{
  "manageEntity": {
    "action": "Update",
    "entityId": "682451250",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x186366128322c13a367264d45324dffdd963e6db1019e511c376c9e38ba2bee8",
    "signature": "0xb926fdc41204abcf52f1d1991ded7690e26ad00df819f3edfb3d44697bec9a932485a9c333cec10b07880b9b756b99c8c582417c6fff6e9ef73e7b18c7a9f0221c",
    "signer": "0x58cEcF6744B8f54F7401C14ab268A16A6BAbcf53",
    "userId": "682451250"
  }
}