{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1512876195",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3195a4b2d5128a1b98735127edd5260d7443e101666d174c2adcb4a508f3d971",
    "signature": "0x89eeb88944009e4d8942593b8a25d2e2a1e9cfd21e2f9f24fce82761697fe396092e45267219d6138b26e28a42c6e7940d62272de76bcf5e7cf37ef5cc882aa71c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}