{
  "manageEntity": {
    "action": "Repost",
    "entityId": "755679",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xce478a4ce32cad799d7261ca652266328df00ec5dd6e4de446e6f8abaec56ee0",
    "signature": "0xe8789629f3de515b86036f9d1b75c3eac1205ebab5c37c7414cc852fc472c2b25f01d8c998944b4a6b69e8faf34f19d3ec330bee0ff2a15db4bc2a5046ec8bf71c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}