{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1900440472",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x40da36a21d3f08e3ab642ade0ad3a1f0193943966d4db6c23f258e776d01f941",
    "signature": "0x6152b0f1a119ba0b53c9e005994f1249832e2048552e9ce45a5fc546a61495135d0f000b81b0c0172da4cd0e02c2dcb260dae5d2bf03202f8a53ded76f5ae6511c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}