{
  "manageEntity": {
    "action": "Repost",
    "entityId": "438400063",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2219105f6ac87ff9cedea3bbcd52629392bad2e8dcdf984735413de6cad1183f",
    "signature": "0xb650a7f273741c9e01672c16c17d35678dff9d43b4b7eaaf191bf7eb9af8808e6c706a1cc0af2d0b8a3cfef3bd78f3f421dc0a6ff5afeedd8774b2d3d38ab2641c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}