{
  "manageEntity": {
    "action": "Update",
    "entityId": "444965341",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe5223add8427acf15fa971cada1b447197b94d860bb5eb4494407fa3cdbdd53c",
    "signature": "0x6979cca04c576ee5b339d3265166c0abd4e9f129f0af59bc2d3c10c2a90dea8a24c4f156912ac385d2a0065bdb0387cbdf29df4f8569ce7c97d627e0454de3031b",
    "signer": "0xdD03ED106abBEF4982159500e32B8602B985a69B",
    "userId": "444965341"
  }
}