{
  "manageEntity": {
    "action": "Repost",
    "entityId": "753154647",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6359939a56606820af56d17854894962411881cf801503054b3c994a019c537a",
    "signature": "0xb2256cac74854e03eea0e4057ebc77121ba534013adf72488c28c777d4951c3546bddacea4a9b57efe91512fdc7b7f4a7fe49f4e5d6f0271d68955cacb27ca561b",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}