{
  "manageEntity": {
    "action": "Update",
    "entityId": "952196459",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x7e06ba8999639b359b46647600bb413bdee9c0c3871633a7175bb5ff94037832",
    "signature": "0x5bee8b27237b418dd7d02627c3cc4676646b7c3d096a5f8e42355cf0d76f1a7e0cd9bc6f0164c2ecd8d7987b53329d2c9d567dfc5e783ac5aeba006c4471390c1c",
    "signer": "0x89715A6F0c23C84cE71166083899D25bE26BfBC1",
    "userId": "952196459"
  }
}