{
  "manageEntity": {
    "action": "Repost",
    "entityId": "543642205",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x63fed7397796ba802b97b7d4417f507d17bfbf69bec300d790bdbf1430dc266c",
    "signature": "0xcebee59defbd91f2d10f029a86a2159b98d53353d70346609be6635ef155b34444c2da9e1d3bb69bd10336fb8e43eaa31eb7697c59cd45b0203ed19ba93bb56c1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}