{
  "manageEntity": {
    "action": "Repost",
    "entityId": "278662",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8618ed8cdf36e1c62444c456e7b0ac4bd4a8286e2be9c8c66ce7252e4d26c7c4",
    "signature": "0x29951f37408c50c51ba319e7838925607473b2394d906940f0855f4ec776ea9965c9de19bad750f8a3271a9ba9c3d5881c333abc2cd5903ba254648b7fbe94101b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}