{
  "manageEntity": {
    "action": "Repost",
    "entityId": "516103172",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4ecb75955dd87f8672313e2a6df706d297ce0aa26281a54a6daa80702b4e9127",
    "signature": "0x12ef899f58b49465da105479be36b50bb60d7abed0881af2ae54d9a2516dfa1a396653c43807b678fee89f2394fc6ec448b3728192faa7f0de678c18445275501c",
    "signer": "0x5D012C880480A2E1ab4345f6F374CFf73e040331",
    "userId": "10449019"
  }
}