{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1638414465",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x78bbb0b568fdb4b63c925d01fb44d92ec864ad255258d53467fe8f04a54343b7",
    "signature": "0x29fa3fc40013971b2ae76fe542ebb8aeb31606ddf8d62a5b1fc1686e5f9ef3db79dee2afc4d9d03006ddf436b8e3693459e6e617be5a4349f382b43c5c20fab31b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}