{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1539581950",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb3b911fdddb7806673faec7bcf3a4eee02310c70065f3e1df955f550a217765d",
    "signature": "0xb0561a7cbd2d3e06726f7bc0d22d8465eb4501c9b8960a14cc545c8579ab0dba7a4d9924a7ea99d30ff0dd9078c2077b60a615e8f70bd4163d3f000fa4629c781b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}