{
  "manageEntity": {
    "action": "Repost",
    "entityId": "555788888",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x722ab061bd96dfe184915e5492d7bfbd33d28af5dd21682f2de496e8968c8c8e",
    "signature": "0x2c78afc5fbb5d6cacc1e993bdc2bf32e2e417ccd8953111804c804f851c75eb54d472732d959d21f0123a5c0fa5a1db84e84f88671ca898fc6accae93cc776f21b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}