{
  "manageEntity": {
    "action": "Repost",
    "entityId": "750356",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x145943fb26dbad70c73cc8f0ce54486bf1ee673da97ba9bfc53dd616a57460b6",
    "signature": "0x19ed26174fb41e12258e674c7006fb44fcca3d0901c5054e1ed8331b8849a91f6071dc257ddadd044dc90eea56351e0310c914ae74fc39a2c5722252b6a39d271c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}