{
  "manageEntity": {
    "action": "Repost",
    "entityId": "431423464",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9ae5b0c37a78b3559b7ad90a19002c6197cc80531ce218bc5c0bf0aea48d84d4",
    "signature": "0xb0024b4687dd040ee1ce7940065a6dae94126923351f04ef6a1ea13949a12d7f6dd422bd6a92131335cf66a3ddc9f670edabb807a357cf217f5c75e524c701841c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}