{
  "manageEntity": {
    "action": "Repost",
    "entityId": "812392872",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf4a386a42a70a9eaa257aa5b35d592af320225016a8510203ca5f05d4f1aea5e",
    "signature": "0x28844a6a3fe3c810a940f1cea243006490d7e19762b36110c2cd2e90179b67160fb7547c97582a62789a28828932ead60b02808d10fc7276728cf5cb3089e32b1c",
    "signer": "0x767f09338Ac6CE8645c0a76a17a560429b582132",
    "userId": "520958130"
  }
}