{
  "manageEntity": {
    "action": "Repost",
    "entityId": "251859269",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x663d5ee79a31270ff2cdf0e274a37982205901cce70fb3a525a3d3b2cbe91ef1",
    "signature": "0xef7604e97bd1ee7234668847b7f90335311adecba07f68115f13e955393f261d21ab83bd930132ac15e96ee57e69d6db280561800307dae4488a507b98c6c7231c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}