{
  "manageEntity": {
    "action": "Repost",
    "entityId": "478535489",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x967123ba865b20b1f1f390d2a3c52e4abaa372f1975e682e3f9dc78fa8be8693",
    "signature": "0x2987e85b10a096195525e6bc23c99e4c45fb9bd8dd28106ae402345c6dcdb3e80ec60d4d68b155c2bdb5d791ebc13b2f482695443e29d6c435bb54a39713190e1b",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}