{
  "manageEntity": {
    "action": "Update",
    "entityId": "380767039",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x8a5adb68c82fede1ce4059a0b42152bb0bed0965b1053a63c1be33ab20b90274",
    "signature": "0x6d27bdf3257c3c9c5f83ae80342b68122635b0fcb7b7fc31341454628947581f46c9529709a66af2fad83a849c1a1af9d0c5b45e181e46fd180a27f3a1e2b0f71b",
    "signer": "0xaddfe8a42a112B9e07190590DCa78C32CB396871",
    "userId": "380767039"
  }
}