{
  "manageEntity": {
    "action": "Repost",
    "entityId": "751770",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x04d8772bca34d6f824dbab28d301862082cafda6e9c6ae023490c3e762407cdf",
    "signature": "0x65a67a54ebdcf6719cb2a776672cb00d4a0d79e4b1e6670a1abea345e076044b7db19015ea269cc3cbb5a8638c5259df32b90d16f3f4c7c19ec16b47fbd43c911b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}