{
  "manageEntity": {
    "action": "Repost",
    "entityId": "668668814",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0af698f85061b619f108caee05d6ae50ab0ccb31b8639303ccced7181378abf9",
    "signature": "0xc271690c5c8a30f3c4808457560d9f407b4a8aba3bc1cea8f253ecc81ed59916323d06faba1c974a59e68268cf6a43016018886da5bf108e0863255d99d18b631c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}