{
  "manageEntity": {
    "action": "Repost",
    "entityId": "321940244",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1858ff5d867d3f7cd885d12f18b0bdd3ee22d2ff603f3983501e17a244803545",
    "signature": "0x2651c35f49f6f03ffeda56197ee4f4c1f522f68a1a9a6f0d62ded3f8815884a32d14a2734d344b5154322586f138933f76a69af3bf2c7cd0e7e0d56789a733031c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}