{
  "manageEntity": {
    "action": "Update",
    "entityId": "244357868",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd8c323f86187fad62090df7e8d06a9b7c9e19dec89936c17bf2ffa87fdaea4fc",
    "signature": "0xe83b769ce6b641ffec82d04fe9d51f8f27ef3806b6053d362d5bfe71dc5407b44ab4cebe41a47c25726aee7125861dd1fa4df5dfcd35ad493fc537cab90dcce21b",
    "signer": "0x716be6DE1a739D8d981854E5a6992A6b53C88dd0",
    "userId": "244357868"
  }
}