{
  "manageEntity": {
    "action": "Repost",
    "entityId": "621918898",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x24db7af8e726c56790e6cd319003f506d2aecad6869ff722850a068f372da906",
    "signature": "0x7d9d4b8c2a113ce6f77e48caedd9839f30fd5f8705e6a09080d17721621cc7131a65e563234425e267e9ea9ad862b6782fe92546eba79e4abf6d82bc8de50d391c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}