{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1513775858",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4da7b1e97ca72781f53acd819955c9f5569f7ede08ab791312d0fc732c7c92ed",
    "signature": "0xfd60747b110ff45690662873d9321de92de27c37e1eee144cce519864f6cd0ec166606a1f3a318f7864567fb97fe6bdd15d323320d0eb90343ec1b2e84c2e0871b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}