{
  "manageEntity": {
    "action": "Repost",
    "entityId": "515695767",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8f1ec48df12d6bd547f7e0bc8f1715cd8f4f3c657f01107585c48336cf652f42",
    "signature": "0x58a6301ace4ec181a063b2182549462b78bdb4d5c6ff56a34e79b3239abb35d33824a13ad977a87b497e32e6db25f180d1a193f592123c833745ca190333d5741b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}