{
  "manageEntity": {
    "action": "Update",
    "entityId": "84857498",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x64c82838ef9a0e7d6c3db23e169c2991055e8a924b0c2dc575052f804c86fc01",
    "signature": "0xf942f73e4a45307034269ed4e041258a85706e5467c0f04bbf62ca2a42fb19265ede5baa1bed2d92b177423a627789d1054be11c4ddc87b7ad790af252ec70451b",
    "signer": "0x634D4Be53B51c02129D81d3eD1503dF3F61E3D64",
    "userId": "84857498"
  }
}