{
  "manageEntity": {
    "action": "Repost",
    "entityId": "608306615",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x43cf6715a35966456694e23a06341a87b44fa8e24560144d23a6cb88389fda98",
    "signature": "0x03cc8bdefc2dcf60b2a0dc97c832a60adf41c4c5cea6fb776f7e91842c382bc33ec156e4f4cce0c937c7cea0886b6837506d8ab97851103f02a93863067130a81b",
    "signer": "0x21C53AB841CF6A1aB74A138F51dd9829e9349B45",
    "userId": "31580510"
  }
}