{
  "manageEntity": {
    "action": "Update",
    "entityId": "302705029",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe91002aced6d0abf9ffdf5246cd6b9641819045c06540d53981f3312852f02b1",
    "signature": "0x5190f286b14e6bc34ffe09129e9df89b7b44a7e58fc7255f9c1e25d3246e785d7f2a3b1e900088a2d7edfa4515cdb8ad631cdf56c0225a0f1883d573d53494081c",
    "signer": "0x511988e5E1621247B6E624F65369416f750F96aE",
    "userId": "302705029"
  }
}