{
  "manageEntity": {
    "action": "Repost",
    "entityId": "520106709",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb7706a54977e7b9cb28c6203b1fd86cbb34011ba2877278958c70cfa73782dfc",
    "signature": "0xe35513980c1b1d53da8a3777fcf13e7522e19f49477ddeb3fc4f1a3e12d9d5e345080adf91bd3eacadbfd42450ca359d814aabd0cab918c8181c82a0ee3bde661c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}