{
  "manageEntity": {
    "action": "Repost",
    "entityId": "378609499",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x638cbadc17146a6b695ff2ef31314e6db90b016f6074bff00f35123a68d08418",
    "signature": "0xb9de04bd960e691a41a6d9fe331069145ed8b355efdcc26c504658b2d61744a2173b43af441368aaeb85616239167bb4db87d043218bd3d68182f7321ba0d2f01c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}