{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1640138954",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xfffd7dce528db9ae8dd3e75581ada2d8dda7872ebf7b72038b7848266bd6d1fc",
    "signature": "0xb9a338761b1644c42a1f7726e3c75376c4d075e712e804311460d73e9faf5097305a62a384bcb3d2f6ff85012ed47198bf58cd2d95b74c1e10c31e01822b9f1a1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}