{
  "manageEntity": {
    "action": "Update",
    "entityId": "356385717",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xdb50b1908e401d1f3761ddb3b3c1c074c32320acf1488a078ecb05a8c30961c7",
    "signature": "0x7d22de9f105367c47510c15380e4b7b9119e7e18eef0b0ddb461ad696dfdf7c026de143ff17c8e73bd70415e1dd72ae65a9b241a19b39efebeb8a77941fef0a01c",
    "signer": "0xA386423c4cD40942cbb64b9b605C317a465BD1EE",
    "userId": "356385717"
  }
}