{
  "manageEntity": {
    "action": "Repost",
    "entityId": "603019",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9bfdbe846fd5c134ee8c3859bba1acb3fc16181a0d644a407043287e21da9ac7",
    "signature": "0x16198f04da5146cc84af62d73a945941e25af76d066107ac13ac6273d7864d16139632def9644ad65507a8f7926c6552ab0791ba3e01a3b1a1cded69dab798201b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}