{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1491928852",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5a1afc2b8a7dbd54b5bdec911849979d0203819102b4934ffed8bab97a78a89c",
    "signature": "0xcb124834497939ba0c1feb3ae782a02f5f5b869ca1515860c0ed463d4a05a2164c705df688e484d5b6699a3a5258086d0e4b4f79bce9a4d7a67ceb558cb3ccbd1b",
    "signer": "0x4E3828bc809fb5B9deb81fa536cF73Dd5bF4eeB2",
    "userId": "185184169"
  }
}