{
  "manageEntity": {
    "action": "Repost",
    "entityId": "442366527",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9bf3813567338b489b3abb2ba96d0fb5d64a8019b9429d64b74086005b80e203",
    "signature": "0xf84de726d2c9029ca5ded489173422fbc5b3c348efbfb4fe5d06837def03608c1443d94fe42c50aecc56e846cefc47c01639a2328c858091915a0cc33d52ce961b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}