{
  "manageEntity": {
    "action": "Repost",
    "entityId": "258257666",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa080a2d475ff8be5712f54aa0c7d318e1cf94dd901ef978fd38304c7e47d9002",
    "signature": "0xfbef848d5086948864db18a33985daa8fdd3d0109ab8f6ebd15f63c5f27180011cd326bb0b71402f74380dcc30a5697947701f33941ee731e50e3941e1427b861c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}