{
  "manageEntity": {
    "action": "Repost",
    "entityId": "573897800",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb3b4ea3f2163019d564cdabf4d70d1ea4a5cbf1ffbd4ac13bf5ce3bbba567168",
    "signature": "0xdc380a541605cb56b8537032082f2b6099f6bb6b28f2954705c0d8f24610300c60397cb40abbca5b527657fd8bc61d12095d9a7286e5291b39de9b440d81e2361c",
    "signer": "0xb51B50C9b7d88C66d31539161F4BA9Dd72a17dF5",
    "userId": "465531556"
  }
}