{
  "manageEntity": {
    "action": "Repost",
    "entityId": "974490",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x235ddaa0055ec4b096fc2aeb04814061298caabe445132f6959c143856184764",
    "signature": "0x28fe882873ee0c326a366285ab0c25e47040731fad851b935d487bbec7698a8a38d8988521125802e25ccb1cd2c8757e56c061b4649fede155845b1025b1500b1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}