{
  "manageEntity": {
    "action": "Update",
    "entityId": "795665604",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x80efee99d6a98d03cadfef001e27d85bf22b2fb590ea844f47131cf44146b515",
    "signature": "0xd85e0399b20eb4eb803aefa883ccdb5a24ae1a0a4dd9680ae06f86299166088367ec420ed4318c07c690242407b00da296100f431fbf8745b8462d8806ccc1131b",
    "signer": "0x4E388A7D3A53dB2904B69c2621235C4C121CF61e",
    "userId": "795665604"
  }
}