{
  "manageEntity": {
    "action": "Update",
    "entityId": "934100762",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf51ad97aebb0b00ddd4c2f815166e194c0b9731dfd5decf0dab54ba17080b7e6",
    "signature": "0x56d4d0e50541a8bc59274716068b064b4438234f74650d9148c48cfe7f8b325a088ebf406043c87b1a914bb5de596c6f6bec635ad64f1358309805b60e5c20271b",
    "signer": "0x008667D019e1cC686AD810c8Dff7Af7072f82506",
    "userId": "934100762"
  }
}