{
  "manageEntity": {
    "action": "Repost",
    "entityId": "751773",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x416d8f4e8e5037a5e4966b12ebf0214a581be11e91bb6bd21cc12bc2698f8cd3",
    "signature": "0x7e7d6019daec2ec2d6e1d684f3884221aea7ba7595201e2740ed1fa20a530ed6618bb8f2e97af3ae527348d559f4218c98a9063736adf6dfbd5d9b34569821f61c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}