{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1899615736",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb1c8a0609e68f23d873b67e89a280068a1c259e9e10ad14e98049d924b6710d4",
    "signature": "0xc9e9f21c8172081800c02e46385c418eadc2a66d5b9540306db5d483712adffd0e42563f4b8588f3b13485b56d6ce001ae4c28395ad6f3708ad212d38b247fff1c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}