{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1503683375",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8ed2dca049f6dc27586d0cf8977137c89d3357cabafb3f305e6f794ce1bdc56d",
    "signature": "0x1a086bfd5dfe3db56bcaaac73a71ab99c2747803e0145882bd3812f06355eb8525c161a279db5712482c700c54f92ef061da32ac9e385933b3ed0cf3bbca26091b",
    "signer": "0x1E99D4D9F7d0cD7a0Ce863524829945D80Ba03ee",
    "userId": "908428785"
  }
}