{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1389538370",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xddbccef4db696f92cd03f068a53b8820a474c3c77aa0b00c7c075c47b2d619d7",
    "signature": "0x9927aa33234a2e08284c5cef661674bc6fb479d7a3c234d8ec2916a6810a7f513865ec9694acbc09ce8cf16b61a258b46d51c3e1e370632cf4ebe55a9c4ae9231b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}