{
  "manageEntity": {
    "action": "Repost",
    "entityId": "578917600",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x53a99d96ebbcb666e31645a3a0020fde898fbc398a545fc0aafd1408520e151a",
    "signature": "0x86cd9c2a1e3f0aae5014ad65f2907c21271da01e63cb44ed281a7144d5481696023f5f8b03cc69e7a0dacc901b33f6afbf4fde624bc55c52a46cf60125cf34011b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}