{
  "manageEntity": {
    "action": "Repost",
    "entityId": "750389",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7f3aaf43dbebc4ce349528faea16157e685eda8da85b0a0349aedf344aeab1ab",
    "signature": "0xea7bdd8f6e7ea10f6e98dd27e0fea4f3eb3fc8651205bc8e1d5bded1dc00f7615050cc4b80be1b950f6c73cc0065f9818e1c5af0241c57b41032572f4e3be12a1c",
    "signer": "0xb51B50C9b7d88C66d31539161F4BA9Dd72a17dF5",
    "userId": "465531556"
  }
}