{
  "manageEntity": {
    "action": "Repost",
    "entityId": "621679630",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x31fb990b74250fb5f50645ca30797c1ea526e86f628172cdbae571e45608f36b",
    "signature": "0x601f85cd6762c7e2823a95c9aa0a586e62113cb7095aa1038dee03e51de87781372deaa73f2ab41db0af4db50ddbbcfe76be9057f06174b7b762bce767ce19191c",
    "signer": "0x5D012C880480A2E1ab4345f6F374CFf73e040331",
    "userId": "10449019"
  }
}