{
  "manageEntity": {
    "action": "Repost",
    "entityId": "748656138",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0f0235f1e5659f79a721899ad486eb3ea756dc5f9177e6f0dd731954d1586181",
    "signature": "0x0a7d1803b2f0490d6897f67b01ff28c94ab04c6a9e1c175186bdd340c4393adf4ee8bde9be147e314b6465531c1391d5a0ddbdb152fa3c24c7529ebdd0a9bae81c",
    "signer": "0x8FF85C5AA450a88f13FbD5170e24E2a3eFF32518",
    "userId": "311829956"
  }
}