{
  "manageEntity": {
    "action": "Repost",
    "entityId": "758873",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xaac08ed416b8d83da00a31852613e7a46441903cd2f24c9c6b83ee77e73773a1",
    "signature": "0xf04de1cebb31e84ccfa4e171b72b71a5014efd7150cccd68f374d1b7270a00eb5cb20f4e1fe994a9fec20ca01f600e873e375081cf4f0e171e0d0808292c95fc1c",
    "signer": "0x7b52e6AA15Db4Fc3A84AFF2b12e5B8B128eA8610",
    "userId": "808512351"
  }
}