{
  "manageEntity": {
    "action": "Repost",
    "entityId": "645145691",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x066f1fbeeb40b21ec0678e2a1f63e37327f691e0038f983ecf92c57f34855e98",
    "signature": "0x02981801a9b387f60bbe83191606e38734ad11fd7473c369419b35a741585b5c3fc713fe05b6e126e3de7dc7f025be369c66345ea5c4e26f2ee52f8d0fa1f4441c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}