{
  "manageEntity": {
    "action": "Repost",
    "entityId": "728456634",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xfdb9f64ab67829e1b4d6a4408d37b8bbb157abad8ecfb2e8065d079cd741d8f1",
    "signature": "0xd94bfcea9ee87f14661ef692932893b9b67bdf01215675f2b16bb5d573194f32097df072a57a417e56f99e95f107cd92608b8e45834a2d4122fb3346590fb7091c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}