{
  "manageEntity": {
    "action": "Repost",
    "entityId": "679500669",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x81c80bf9b7fe3972aadc4bccf1819d6143a1c9231333c33768a683ea91d120bd",
    "signature": "0x12988d46043759eac28dc13b43002fb369b609d97e4c31339348bd1cf992c8615ead1db77fe8015c7180cad403ba29f0da9afab05a72783076c0d1428e9b79181c",
    "signer": "0x4fdc03E53311BF6b1B8728dd0Ae0630bF74176f1",
    "userId": "162770660"
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}