{
  "manageEntity": {
    "action": "Repost",
    "entityId": "421154",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x740eb749b563c918358923c9fa474b7ec9378da0379c91b45526ec5e7acf22a4",
    "signature": "0xae07c85ed6874d353b5a92a6f826b509bc9cb61b7c7b14c493e1a454737958514d3b245ae9fec87347be16e5321f2f7c4e0575f3c3261631490e1726189195961c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}