{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1499222203",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x497d7763eae3be532819cc438abc39054bf9b1a8f505db01e21814878f98fb4e",
    "signature": "0xd01d769d32b31529020d413ef816065637b4a2cd25cdc05b10316ba339de409e783db77aa10e3bc7a86e5943229760a2466255be8c587aa87989785428e16f251c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}