{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1550876490",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8d642557173d4e7b6d8a5c53271d9143001af98b2c6b258ea8cf11ab34103b80",
    "signature": "0x1dd23699f2cca6c9c88c92c6d5ff67916188ed15ee59ad32e7528c669ecba5ab4337fd6324a2edcc3eb5504dd6ea9419c2ed61daa87bdae329a58b76ecf7403e1b",
    "signer": "0x767f09338Ac6CE8645c0a76a17a560429b582132",
    "userId": "520958130"
  }
}