{
  "manageEntity": {
    "action": "Repost",
    "entityId": "639855980",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe72f5013707ead285ab3ea95a28b6a3237488d06989f35e5e81d4008333365a5",
    "signature": "0x66fcb0574d95c104d467752c8a63b17a07df21c4d2db2f052b7f75b62d5fa06613f4a51f2d3be26c524a3453421a6e6821970885f680a3e3144c89bf2c2cb7d81c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}