{
  "manageEntity": {
    "action": "Update",
    "entityId": "60376272",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf1161fd2858f8ce6f1b9e5da4ff26ea4fcefd1f347e5fea1ccd7df98d00ce14e",
    "signature": "0xe8aa5b2e5391b3692d6c233fadcf9c1da238740af7e4a0dc6e0f925b7c1d87606b6bd491b3f6db1edc09969c3880be8250c1b1a2a77ccd9583a4d34c3e481d6b1c",
    "signer": "0x7bC387910b76C7c97Fe4ef3EF17676dD5374A771",
    "userId": "60376272"
  }
}