{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1421480213",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3a529de008802c1019a829ae2639f6289c318f2af6338d5294a1932f7f08231b",
    "signature": "0x1d1350f80110c42f656f260812fc074a3045bc506d0fcd4f052ad9752cfd0ea659f9a6a916123fe22833c5d5d283095d7abcf61d715934b34dfc4e87a786013d1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}