{
  "manageEntity": {
    "action": "Repost",
    "entityId": "21142445",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x747bee3be4fa4af60b28a77042962667cb45d723c0a022268e5bdfb34a433a2d",
    "signature": "0xce54f101016b3982623ed801d9e7c484a07b454603ea36d88e45127f1f9eb8ad77b95a0bda283c4d86d3fb6c5047803799c808257303a14278fa06debba48af41c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}