{
  "manageEntity": {
    "action": "Repost",
    "entityId": "544191",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3edb15ab544b78c21e05d8fb87f9d3e56e1551aeb9a0b2e4ee7c90cfd9a34340",
    "signature": "0x52a58ca47e2cb731fd74dc96d2745fd4a3c131f388f27be3552df384b0f46fdc6d26da51d434b831290f87f9d11e9a50baf5889f9f900a7a5f92b0c6be9026c11b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}