{
  "manageEntity": {
    "action": "Update",
    "entityId": "58600206",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xcfd8f8cb9926b33abc3dab19901b659459e5fe59954ee67e0c4eba62aa26e930",
    "signature": "0x1eda62e448ca07a607c1c6d923c36d9ef556e8a7d97d956a1a886d2831033f9633699e1531cb1b076dee44b2fa2680c55626adb52609473bb22fb6c523a265731b",
    "signer": "0x7D89eD1c2C9744b86AE1D1301E8F342289D2f3cB",
    "userId": "58600206"
  }
}