{
  "manageEntity": {
    "action": "Update",
    "entityId": "726039615",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc10cf9905c2d7fd2dc5dd4850f2480039b879c7cd243babe2a214f92be33e93a",
    "signature": "0xad7eb2540759e9b4ef28692c7bd0e67cd3dfefb4219d857cf4cec78fab62264d50e7d216b3c28d3263a841d7c8d6d34e0ce4ea01f319c2fde5c666a3d9eba4a91b",
    "signer": "0xaF41619C1352C0cb12Ccae4C012e02B7b4Cb4726",
    "userId": "726039615"
  }
}