{
  "manageEntity": {
    "action": "Repost",
    "entityId": "607626484",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3f3634334b6ba730e8ffb6a5afbc3cb7c9c64fd4be8493c74ed8fcb02c3e3d5a",
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    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}