{
  "manageEntity": {
    "action": "Repost",
    "entityId": "508429",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8c0e083a1fbacad8dd7298920f2cb9f5ae21a4777c29249c70fdc9b8a41fe624",
    "signature": "0xeacd54778e28066d2dde2cf00a2de755cf8cab08d212f51ca12764523e823ab9028f20d724a715a339e28283cb4f849bd0981e66eaebddc6e265c9d4c1f19eec1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}