{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1507736639",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xda003f737ae4184a044e51e023b20c9fa00b85c5603ec8f3367c6b6b6150df9e",
    "signature": "0x7d662ed1caf5e3ac9003b074dcbe98204d6e602cd29ce4e0a0e013d59a0778226bcbd0637c80aedca1bdbcb989728b7cffc0a280214b400ea3ccfd6002cf51da1b",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}