{
  "manageEntity": {
    "action": "Repost",
    "entityId": "456250",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd2e7592c7ead84be5e20ee2661026b8a4e921a1629d96b56f285b161ca14a669",
    "signature": "0x41793a5e5e803bd2e3d8936df2341c78c576511d4d4ec63780cefcfd3c999fdd6cfc182782547a373789da1252487d82f90240a93c138a2c2c1fac010f77dd731b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}