{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1564855223",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xaffa49e6e7d517df682f3ae8dfc2e7a7d8644b0ab9327f4868f569519de545c6",
    "signature": "0x304bb713d963e0fe6f7324fe722a7de5834070ddd0f1920f06698a02f6a259c91e65b70092ae7cec0544dc369e835d3d28479d200ddc3fe5cba320cc95eb95871c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}