{
  "manageEntity": {
    "action": "Repost",
    "entityId": "645483574",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd969526c8855103cd7235f5a814b69b7182331b05b7568bce50c0b388d64274c",
    "signature": "0x56524ccd4fc178eadf58bd8b2b22e90d464aae95634cd329594e3efbb037d3c1039068a34384cd86fb0ec4c3921e82fbb6a326a48346b2be175cd3c1be8cc1371c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}