{
  "manageEntity": {
    "action": "Update",
    "entityId": "90532574",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf2c9b118bc76e6e1af8a1ef769b4eb2e901baf79d9610e3d77969a4ec8d8b7c9",
    "signature": "0x9e57b457aeb2bcc7dcd9acbbbee7b96101ae9c874f5e7dbb3868a752b15b524d663865648bc5be654a6adc2f63a9ecdb417424bd6216f315d8af7686053a6b7d1c",
    "signer": "0xb69378245091a2698004E9133B69F31277A55b33",
    "userId": "90532574"
  }
}