{
  "manageEntity": {
    "action": "Repost",
    "entityId": "403574649",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb106db951191ca0de4d798a4f4cb6700e2d94aa94ca063f8647d212be09b205c",
    "signature": "0x12b962430626c96a5d7653f749d18c02cf9c9b35a2b5245eab76d883d5357eeb5d8ea190f1d556c87a6354711417aa38850dd26631cd86b2a6562444058f82351b",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}