{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1537309719",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8bc3866e61c7459d5f74ef692c23b5c67de73e96e72806080159b6848a6e2280",
    "signature": "0x18133fa23d9cc376138fc213825cd9a5ce66628b0c48def2b3893cea377d7aa84e623fcaa47e5b31add6057e42ae961b144fdcf0231068d434434e9fc0d4a5ec1c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}