{
  "manageEntity": {
    "action": "Update",
    "entityId": "349184496",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xdcb5fc14d355243f80bbf3ee5090322ce0cb04d07db30dd0539be2959c9eee59",
    "signature": "0x425399bf55b45fca30764caf65c9a76ba2d45a41e28a536f264a99b67e3db1d07608fa95773eb64b8118e82935012a2448fd604a7f370a56a55d3c6022cee35e1b",
    "signer": "0x7697346FF12414B7cc856De903E193cDFc7ccF3E",
    "userId": "349184496"
  }
}