{
  "manageEntity": {
    "action": "Update",
    "entityId": "58600206",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x052d0cd3659b8e866543fba3fd605b715a7b982ee9d0f503e6259c5f501ef8d4",
    "signature": "0x270777de2f2796d3013b954c9c4d117d3f08fe434278df6c1dfab31630b3325c720fb433cd443c2939bc4c51a714330c7f04c7b478d55a8b3a5c14d829d1bfd91b",
    "signer": "0x7D89eD1c2C9744b86AE1D1301E8F342289D2f3cB",
    "userId": "58600206"
  }
}