{
  "manageEntity": {
    "action": "Repost",
    "entityId": "448954219",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xab334c33a07d82566332aaef467c0b6a21a695526a91f3029a3581987295acc4",
    "signature": "0x279d08e283622a768a1a446a9796803084c40241320ee86488619ff794bd88426e5abc18ae2a0069a421ca5ede75a72b2d2623b73c5acd87b1d7a198470fa1d01c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}