{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1408614663",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x54d5d5c8be74a9773c230e16093393bb838b9740bb3300641b16e4d6ee5abb32",
    "signature": "0x9cc71384dea64120c53a5a1bb17e4fe162c717d5e0f34ec1ad5539af669e640d104f3753d810812ab1d0d9b98e1cebf165a91771ca6e40c34184b7cf57d170e01b",
    "signer": "0x72d1844BB49347afC0912B6743298568BC02b404",
    "userId": "328108"
  }
}