{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1573917639",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x26222e84ae5ecce2f94be8e9c9f37c2ba243a4a4862bdb0eadf974213b8d19c8",
    "signature": "0x550ce243c5249b10d686908c3cb55350e4d869d11df3e143eaee114e6a2f03ef05d18a40611f67977a56fb3762360c98e161f0f19859bcc6cf37bc29d55f954d1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}