{
  "manageEntity": {
    "action": "Repost",
    "entityId": "489608",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7e87cbab60aeeb456b748f036363904a47ef33ebe472e7c50b78c9bb86abdcd3",
    "signature": "0x2767a19ff85e3f8f1fdb0cb6e70a3cee80c3d8ab9e79318f61b7b7f6858c5c50447611ea21d407e3e17805d0698f6a1940de9e63b9fef6c0205a97848955abb81c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}