{
  "manageEntity": {
    "action": "Repost",
    "entityId": "303963",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8935300ba980fd3e511fe374946304e6939aac84689f98ed0acf807cc3062cf2",
    "signature": "0x734d48df4a8316b03dc8ae3b379d3589aa562e1a9858286f792e78a657be84507bb1796c07b742108ac316c3902d23ef54f07c2788ab73e7a5b1f2722c2a24a51b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}