{
  "manageEntity": {
    "action": "Repost",
    "entityId": "557573",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd7743b2719e187aea0b03fbcb52c54c709e8babb446e0ca03058060875e9bb95",
    "signature": "0xde7e6cb178c22950e57fbc265328affcc003c9a943b007496910abc842b2529b68d99860ea42943513da941d2de94fec39f12237088c6ad00c27233cfd7bface1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}