{
  "manageEntity": {
    "action": "Update",
    "entityId": "934065758",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb9996048aa7a90b75dfcc947e764c6e977e138c9b749c8078d80b844c5488011",
    "signature": "0x0d8f77897c39c53d4119b82bad48a9f50eff3f3d3cbc2d8d4a711dba8a9362695ead3b5ad83e5d7147e5c96c550b13dff09833e7320d6272f7660cc8032554751c",
    "signer": "0xFE17Fe2677AF57d35AbC9CeafeA4FF91C4542293",
    "userId": "934065758"
  }
}