{
  "manageEntity": {
    "action": "Repost",
    "entityId": "856554463",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa498719835840dafa89213307619b53ac9ffe0c24ebc465809073bb20b88bd8b",
    "signature": "0x1f98a0bcafa9897a28bcf3e5c506d41bb9b34b6165c9f9f41b80e2443134dc46005b998e0b1fcd7dab197721562a4abceb0bc32729a2abfd174583802c8f92751b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}