{
  "manageEntity": {
    "action": "Repost",
    "entityId": "463816",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x64ab87ffad2ccc73165c162a078eb9c5c5ff265573471ac130d8642ae76c2243",
    "signature": "0x7fd6e1b701ad06c44f2ba5550765821ae6018acc9668513a91a70201cef32d082bb36f7d33a050617a817b51ceda344b44b60c085a5e1f64c2ffde763a03a4b01c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}