{
  "manageEntity": {
    "action": "Update",
    "entityId": "380811054",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x1bb83c9ca85003f278ba3d1c5685611e0c3c943dd5056dff8cc28dd0001f955e",
    "signature": "0x995327ba5f2fb46cdc970d4ce2c0f0cc783065b208c71536930678b0b5f2b9dd5426b8b77e2cdca62f981894bdf0df25d18fe901294d92654e368ded6637b7761c",
    "signer": "0xE2fbfC9188B264Dd76322A8903cE15a1E3bc5a05",
    "userId": "380811054"
  }
}