{
  "manageEntity": {
    "action": "Update",
    "entityId": "74596186",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x1d9f667162cf5536962289253ad8fe23d300233c7914d309c1db24ff8d9bd3a0",
    "signature": "0xbaaba56ba85242e7c680339a3e25d2651c5399920e1c53915b56d1dece9d82087fe6e6003e994a00f7c2aef5618842b92e3139a64349577ccc3784eed778d22a1b",
    "signer": "0x4B03B9450DcE329d16f317309777a1ddDF894705",
    "userId": "74596186"
  }
}