{
  "manageEntity": {
    "action": "Update",
    "entityId": "871693062",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc7016eddea4ab78f86b85359f717ed298898ba69727145e5b1af1b3de8cbc4d8",
    "signature": "0x71e8385b0a6fdda3d3fbd8e442f210294402d2c64e0c61d799c9f55a7a9703df09762008f3c0bc0b8b5fa7ae3923c5bdd2da2af5fc9d6147e47f07b4453548a71c",
    "signer": "0x298d66cc9dF0A59502B3633c20E42d4a0f50F0eB",
    "userId": "871693062"
  }
}