{
  "manageEntity": {
    "action": "Update",
    "entityId": "132265812",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x8b49eaf294ab4b945346afd1a022fc17c576f103379e7c88f9e0f23295e121f8",
    "signature": "0x064fdeae983c846fe290374b19d57a072455bdf8d9a9093c4d7eda1a02713faf4238a4ea1766f50eb03f03a2ade3540540a6fad677cc4e1e83161408f8745f701c",
    "signer": "0xf3DD91912C819414c9D62Ba2c7abFF8adde8c542",
    "userId": "132265812"
  }
}