{
  "manageEntity": {
    "action": "Update",
    "entityId": "246796542",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x451122675d938d21d39562c3104acbfbd962e4eb546b4aeb629aa87235e197a0",
    "signature": "0xdb013a86b1e764159da9bf744aef26307100b76d9ec3439f10cd462c1ed383f522b34e0c1a1126b9fae3339b6f0953cbbd75f09319b30ccfc02c4fc39ba5469e1c",
    "signer": "0x7132932920Fe7Cac789Bf949c09c6610d31Cde6F",
    "userId": "246796542"
  }
}