{
  "manageEntity": {
    "action": "Repost",
    "entityId": "90623811",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1709bb3deebacf1e73e882ed86b2938038f2cf6c9307b50e92b23268a612c15c",
    "signature": "0xca2a7defd26c3b44c3ddae253682b2daded9f3f95bedaacb6eb7cf53901cbdcf02e642223da254c91332ea56e4e1fb83785a21b09fcc9badf0a914ceedf782b01b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}