{
  "manageEntity": {
    "action": "Repost",
    "entityId": "557649",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf1553941d6812203b13c4378acea4537b032444b1abe95ebe655ffd6f4bed1bf",
    "signature": "0xedbcc0a5ee993fcc66460b8cc7fe749112f493e459ae041f71efdd3ef5d246f533927b7bdb3c8e7ec3f543fb10f6c6ba3cc482b10c6f2f331c4fa47a9faec53a1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}