{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1450520390",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x189dea801d56d1101da38fe66c3e7f392478154c1f3090447436fa27a01072ee",
    "signature": "0x3652fc4fec6c3476e582efcd93995e22e935ca5c344b3ed91453f3fa6f782fb66127e89e9352a35bb94be9e47e844288d1f21c09377fee337a1b432704827b851c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}