{
  "manageEntity": {
    "action": "Repost",
    "entityId": "518421285",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb0781920b63b62401892f990a33a2b31248b6ba29128109e3967088bac2262bd",
    "signature": "0xa7b7226d7ef6433dc0afd2590f927a31f01e44d062382f6a36e4282e5a40da2c363eba9f339d4b5771adc6fdb265256648aa9f2077591fa10d7493b9eafc23311c",
    "signer": "0xab28764Bd1224556ebA1d8Bc48d3f1F5D2e4E1dD",
    "userId": "281054123"
  }
}