{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1503533330",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xaeedd69c0dcf2450af306f10a0aaa45f954d73a7ba284edf7d14568fed590aab",
    "signature": "0xcee3756b10fe8258d9c3c46856d84b421db6cb736f7a9c2294a200de0805af4d7a899a7c2e4f6f1f27093bed70e9044e32445914bac0ae19ce488e0051dce75f1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}