{
  "manageEntity": {
    "action": "Repost",
    "entityId": "540905874",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xec2ef5efdeaf7071a33a7f9e0458fcfc226cf6d2a4044866e0ee855970e97ea8",
    "signature": "0x29292b3550b1cba37efffc86f526f8d59eb30ff8d4949a0216b787e457ef6207084fca4e1a65341275bc49d9f4677079422e343606f5a1ee8d902aa9675df3691c",
    "signer": "0x4A3D09CdfD42dE4C57dc67B09a40B5d9172bD69f",
    "userId": "787102835"
  }
}