{
  "manageEntity": {
    "action": "Repost",
    "entityId": "590609",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5090926883ff393e3d1da28df758f3082c800e3049b6d8313ef07e00daa3faeb",
    "signature": "0xc7268d057bd149c32d1c7c3e5d30f62ecab9a1290de2beee0dbacb15f25324497a150a0aa6012ed4bf591236729f7b8bd225c11ee04bc2028f7ca8a224ba2a961c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}