{
  "manageEntity": {
    "action": "Repost",
    "entityId": "689626",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x40e23d4fd3d97fe86dd6718f953fe23d3de787a9d2fa5624f285d1d51163c7b9",
    "signature": "0x441311d817a335790751fa27b20413446b3af95efb1d6b345612dcb6e5394bf032311b027eaffec831a1b87c438853b08dd65eded907f9bacfea83ddc44da83b1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}