{
  "manageEntity": {
    "action": "Update",
    "entityId": "214494078",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf1b676efd998763780ebec84df1000a17d4d5c21859fc9f166b2b348099d36b4",
    "signature": "0x13bcc722f445936ebe253bf9680d14b141b62a998602d9d64eb5bfdb7b1f619f2fa70a0709fef337daba7908a6cdccc1f59ad3751e36f1649025e8d32d73e8281c",
    "signer": "0x1c1Be0a4f194E6158e5DC3d133B55fC7f8867Adf",
    "userId": "214494078"
  }
}