{
  "manageEntity": {
    "action": "Repost",
    "entityId": "337289",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xaee1f88e46d0887538eaa9dc3bb9d3342b56853ba1d200688df4431af6822a79",
    "signature": "0xcfc2ce28df63a5166860700cb2bc2f003d8a144c80ca5fd7fef49ed63bd39607561b09b416d98f6129690b95b5fa3330fd0648439ab5b90c20f44cd68c446c9f1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}