{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1550608373",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4aa38de453ed5923787923f53781cee72142b365987de7f83fc5c7c71f3affd1",
    "signature": "0x728119601d269f16cafec342bd3a505f98022c970d70aa92d7b36cfc051630c81b3d0f1a4280b916fe93666a4233d88ec04946e3ebecdcbe2dbaf61c29d76d8d1b",
    "signer": "0xF08935327AeC6306C8d0eb92999567e5496848C9",
    "userId": "989073793"
  }
}