{
  "manageEntity": {
    "action": "Update",
    "entityId": "834540087",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x1f047a0a2d7b73eb215cae9a630ffc91ff88aecd8ba630a55eaf9d2dbd1ac595",
    "signature": "0x4757da4fabf1759794d2c7782e96df2e53000ef2d937c81181ffec1a238c6bf768d816603dcb02aeceec0a48135b827fa86aeb8880bcf1735d9c64e8a43831841b",
    "signer": "0xF0CaA5581Af6ee80150b5aA4643d1069EC176dB6",
    "userId": "834540087"
  }
}