{
  "manageEntity": {
    "action": "Repost",
    "entityId": "391523",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8bcc4641a7de2d31a535adb16fed980003675d39d68e6739f50307af2e0bd4f7",
    "signature": "0x49126c9e292d30b0d50c86905e8389e5b502c7bb6abea82d314bf9b44988ee483690ca7dd9eaee2c6378ee01df28b39a279c0b0403432037c870b658556aba711c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}