{
  "manageEntity": {
    "action": "Repost",
    "entityId": "450190671",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x90687dbef27772f02a990d4e7a687bd506153610637c2690757587c17353c249",
    "signature": "0x5d4bc19582e684b1a405c126624beb12cde5a7bd0bb38c9a70a788d39e8f685c10322c396989c76e14a062de0b51b9f610c634431d6054863c07b58d319e382d1b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}