{
  "manageEntity": {
    "action": "Repost",
    "entityId": "458612",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3116eeab3ab98b58180adb78c57eb97dd9f423869f8e41dffa45122b2de646cb",
    "signature": "0x231e6a85d0bdc5a8a9148b214c10fe99f1d2348effce9a8aff7ddc62d45ceb8c72b27074e0274b3db11768263611d9b8b6a839834230488e737dcd3895dbaf9b1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}