{
  "manageEntity": {
    "action": "Repost",
    "entityId": "703878",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb6809619bfafa63c265643c2dcae140c895003636d0f14bb3ca64c21ac6934ac",
    "signature": "0x793f4e2a95b05e2fd617c2ef3d9c0ac6107b221451a8677ef76aa9c685d9fcf465e019175cfdd8bb121e8ead30d6ff8b1704c5ba36f7b2c70c080aff8178ceba1b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}