{
  "manageEntity": {
    "action": "Repost",
    "entityId": "974102",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8cc9de4f95510debcc735562d2a31cd84c55f0ba0ee56efd88c3ab9f14ac4fa4",
    "signature": "0xdffe337d055057b26cb83acd9cef87e39010cb1767e14e9015e66bc4573061d3386f0409b18a5ab521c90681ef2905ef9bfe24fe3818eac3d3301c39d1443adc1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}