{
  "manageEntity": {
    "action": "Repost",
    "entityId": "600059794",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x894758a77bf6c970ac40b0dbd5662c83024b734ff4d12e1eb32db04a2bb16f3d",
    "signature": "0xd7451a86443191482c8f445c7096de343a48940b52264524d3ba48d59ce825367d7136fcc9c6d2c16fb780e81a1e91d023f6c6d231f6441a0397cc245b4f238f1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}