{
  "manageEntity": {
    "action": "Repost",
    "entityId": "507917963",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x68af5477f477b25b16b45a027423b1de271906d60edb0998dbaf748841ab100b",
    "signature": "0x387688547f0f673a1fd864b93941466cb3ee078bc62d864b8e51ca2b8c95970d6101873a4e1f29d44dbf11701522f51f120ae5791bf4f9c2e9b48064bd1f2ed01b",
    "signer": "0x9de29362DF595E6949CaA2820c5c28c3D6b0CEe1",
    "userId": "857551474"
  }
}