{
  "manageEntity": {
    "action": "Repost",
    "entityId": "138851321",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x74041d0b99d19e00d04ddaf827b23d3493d7871ca05af40b2c7a4f1fdc000037",
    "signature": "0xd0ddf59711d5c7380eae3a3c3047e4bde6967d27f7982c76bda888d27f0a047624e1eeb0404a7b309e52205017870f10c7b271675b8e1e39866b9d2750930ff11c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}