{
  "manageEntity": {
    "action": "Repost",
    "entityId": "543507",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa5f392f03c59a26343e18f722957bde019a36036605b454876abebe733e88804",
    "signature": "0x2b8e2c083df67a6ceda0b9a7fab8b8ccbd70639b37c63b96f58c77de94fe244f49d64b2ca7bed45751fc274f8c13d32f56c74c02c54dfa064b1485a90c74d1eb1b",
    "signer": "0x55B320FE4ae0dC96fE927A1d4fA23b18d1874EF1",
    "userId": "562822143"
  }
}