{
  "manageEntity": {
    "action": "Repost",
    "entityId": "686345",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xeb3c12a93215e261dd5c63a81afad7fc8f906261f80bc7e38d7d825b0a9b42b1",
    "signature": "0x857f474b999a87f908b8c14a43bb5b326fba0505344eda3b701f9405a209b4420c114b563f79f6aa0f01621211a8fac08f45ef622bd479b7626ff8ad88bdbca91c",
    "signer": "0x4Aa8154A33F33394BA8De574d71aC98Ba6A47D5a",
    "userId": "645720561"
  }
}