{
  "manageEntity": {
    "action": "Update",
    "entityId": "429311703",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x703621587a0746f456820a64006a5f12cc021eb7228eb9a999f21946da52de37",
    "signature": "0x4e265bc9da7260d0bba638951a49d9157b15720347c58aae8dd6fa2a661924b775ffc0f3f960a73732e77e4938b49e5396019258ac20ab6f3db079118c0ba1761b",
    "signer": "0x9d5d1f1a59bB255396F7F1e7DeB307A4F66f15ec",
    "userId": "429311703"
  }
}