{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1440975812",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe57bf8ed35d52440502c795ceb43198b7b5b785dab26a6663f9415a0fa7e2c32",
    "signature": "0x2104fe90411fdce251d8a5fa5ece051c4e14be235ee2fd7b067572c87a02e49a300dab4380572b034ace4f81b1f3ed2092b3cfd38fb8d6e7852d1becc5d2435b1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}