{
  "manageEntity": {
    "action": "Repost",
    "entityId": "643956167",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4fd5bdb3c16911f2baa82ec1d819b92c92dac2317a4a1271cedf166cce4073a0",
    "signature": "0xd7b2c77f8c8067dbbfdbb653bf05412ec982b6b66d25e35524d51f0e8588dfb162bf924082c544b48b3cf6003ce1f9b4d009ddefef5d9cd9bea2b2e21d662ea11c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}