{
  "manageEntity": {
    "action": "Repost",
    "entityId": "445337689",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xeaf68ee3ba7ba2c1aea699a32eadd4337501d60b636649d57d542854028722c0",
    "signature": "0x20fcf08de00154e07ad05af1a48cdc57234d6217afa7a0392d9ab24a86b52e15025bbc357317f45969edfd66dfa91cee256ab292ab41f68da0412fb5c116dd381c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}