{
  "manageEntity": {
    "action": "Repost",
    "entityId": "646657",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x59527a5f369f516c969835a3494194276588687ba4215a1be5050134ffe6c6a0",
    "signature": "0x0a34988e76005aed821e2f891f7c3a1b026efec50e900ef58b9a640a7cba836224e7eb5b34693f719a4e09d1786528952362cdffc1fb3a796c301e256fd91b331c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}