{
  "manageEntity": {
    "action": "Repost",
    "entityId": "456756",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4c3c3072f047e4f39e005480bb460356be79fb2e1fdb60874d01e3d0725ac0d7",
    "signature": "0x9dbc74b59859a300592013c088fe2f2746715478e47d5f9c4cfb0e5ba22a9fc94957739ed472ddffd76c92a54ddd58e5780646f0d6f9eaa3ebe98d77ac4663ec1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}