{
  "manageEntity": {
    "action": "Repost",
    "entityId": "138345643",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x22297e86f15dd1f9dfcad651123b2f5e89ecb461cfa9307fc868bc68e1be8e45",
    "signature": "0xe8e1901e2112b6fb2de9a842228167c9e2b20485cda825a8ea5e1d73a8af9c003649269a9cf0d4f6a1632815bb2bd09dc73ff6ce32d71aac8d51e3b8bbcc58a21c",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}