{
  "manageEntity": {
    "action": "Repost",
    "entityId": "899291",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd4e320fa4624865cf036ea8f56e7c1bafc65951c84bd4d84df68e84a12050a7d",
    "signature": "0xad611e5bbb36054a1d476dea398dc8621806e5608db542ab11f50f9743b65035458cf1d42ff0bd73f9f87d17c2b50516aff4642159e4f9c20d5bbe5da1f781751c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}