{
  "manageEntity": {
    "action": "Repost",
    "entityId": "515561413",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x578209c33a459fc0789b340fa4e71526788a9d668fdfc617ff677e662860efa4",
    "signature": "0xbfc98644b3ce4d7b5c05980985175cf7b49c407973d1519fd737a0248ffd0a2b4d51c67d71974d6e18a3ce38e39e0cd85f133158af398fd1a15f609337caaa061b",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}