{
  "manageEntity": {
    "action": "Repost",
    "entityId": "515515586",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc5ac369b0cf34893c03e70da452bb70e7def69d0740f7ec6562b87297b8b1d0c",
    "signature": "0x98a1ddaa8c569340d39ac5f09e62ff33e06df8d7a5d576d9e414815c506d6beb18559650a0ef4a43a93c83d1de1703f99bff7d68bff7c19d2a26ea298c2e43de1c",
    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}