{
  "manageEntity": {
    "action": "Repost",
    "entityId": "671401575",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6107c691232af9d69318bc176ea653ea2e03a78735fdaf09bd05cfa95bc59295",
    "signature": "0xad84089d02b38a60ddd53cf91d97448c311d8ba6ab6fcf9ba347e07996b932055d80412d2509832e67e2431023e364289f9e26e3be2e44251d74023ba5fff8d81b",
    "signer": "0xb51B50C9b7d88C66d31539161F4BA9Dd72a17dF5",
    "userId": "465531556"
  }
}